What is the inverse of the given function? y = 3x + 9 question 18 options: y = 1/3x – 3 y = 1/3x + 3 y = 3x – 3 y = 3x + 3

Mary spent a total of $323.14 for a party. she spent a total of $200.22 on food, plus an additional $30.73 for each hour of the party. how long was the party?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to